General comments:
Widespread but local in Herts, very scarce in Middlesex.

Although other tree leaves are eaten by the larvae, the best way to find this moth is to put a light trap amongst mature oak trees in oak-dominated woodland during November. It is a common moth in all of Hertfordshire's woodlands and there is no sign here of the reported decline in national population noted by the the Rothamsted Light Trap Network. Bernard Skinner beat larvae from Wych Elm in Whippendell Wood, at the edge of the golf course, on 2nd June 1956 and 14th May 1957. Probably at least partly under-recorded in Middlesex because of the late flight period (usually November) but the blanks in the map may just reflect absent habitat?

Recorded in 28 (68%) of 41 10k Squares. First Recorded in 1887. Last Recorded in 2023. Additional Stats

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